package com.szrt.day20170414.ch06;

public class CalImpl /*extends*/ implements Cal,BB {

	@Override
	public int add(int a, int b) {
		return a+b;
	}

	@Override
	public int sub(int a, int b) {
		return a-b;
	}

	@Override
	public void printAA() {
		System.out.println("AA...");
		
	}

	@Override
	public void abc() {
		System.out.println("BB...");
		
	}

}
